0_0_17483131_15652.cpp: In function 'void spfa()':
0_0_17483131_15652.cpp:22:35: error: 'memset' was not declared in this scope
memset(mark,false,sizeof(mark));
^
0_0_17483131_15652.cpp: In function 'void Build()':
0_0_17483131_15652.cpp:69:32: error: 'memset' was not declared in this scope
memset(head,-1,sizeof(head));
^
0_0_17483131_15652.cpp: In function 'void bfs(int)':
0_0_17483131_15652.cpp:83:34: error: 'memset' was not declared in this scope
memset(level,-1,sizeof(level));
^
0_0_17483131_15652.cpp: In function 'int SAP(int, int)':
0_0_17483131_15652.cpp:106:30: error: 'memset' was not declared in this scope
memset(pre,-1,sizeof(pre));
^
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